linux-kernel - Re: [rcu:dev.2019.08.17a 8/36] ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <20190821155741.GJ28441@linux.ibm.com>
Date:   Wed, 21 Aug 2019 08:57:41 -0700
From:   "Paul E. McKenney" <paulmck@...ux.ibm.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: Re: [rcu:dev.2019.08.17a 8/36] ERROR: "tick_nohz_full_running"
 [kernel/rcu/rcutorture.ko] undefined!

On Wed, Aug 21, 2019 at 01:14:18PM +0800, kbuild test robot wrote:
> Hi Paul,
> 
> FYI, the error/warning still remains.

Right you are!  I have two bugs:

1.	I forgot to move 8f5a099b19cf ("time: Export tick start/stop
	functions for rcutorture") to precede dd891e13181a ("rcutorture:
	Force on tick for readers and callback flooders").

2.	I forgot to export tick_nohz_full_running.

Updating with attribution, thank you!

							Thanx, Paul

> tree:   https://kernel.googlesource.com/pub/scm/linux/kernel/git/paulmck/linux-rcu.git dev.2019.08.17a
> head:   9120323ada960bc9f1427e546772a983ad036b9a
> commit: 14569aa16daa1cd7610624a500ed2750fe341351 [8/36] rcutorture: Force on tick for readers and callback flooders
> config: x86_64-rhel (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-10) 7.4.0
> reproduce:
>         git checkout 14569aa16daa1cd7610624a500ed2750fe341351
>         # save the attached .config to linux build tree
>         make ARCH=x86_64 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
>    ERROR: "tick_nohz_dep_clear_task" [kernel/rcu/rcutorture.ko] undefined!
>    ERROR: "tick_nohz_dep_set_task" [kernel/rcu/rcutorture.ko] undefined!
> >> ERROR: "tick_nohz_full_running" [kernel/rcu/rcutorture.ko] undefined!
> 
> ---
> 0-DAY kernel test infrastructure                Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all                   Intel Corporation